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Homodyne detection of microwaves using low-temperature-grown GaAs at 1.55 μm
- Title
- Homodyne detection of microwaves using low-temperature-grown GaAs at 1.55 μm
- Authors
- SONG, HO JIN; Hisatake, Shintaro; Shimahashi, Kyohei; Kitahara, Genki; Morimoto, Yuta; Ajito, Katsuhiro; Nagatsuma, Tadao
- Date Issued
- 2011-10
- Publisher
- IEEE
- Abstract
- We demonstrate homodyne detection of microwaves using low-temperature-grown (LTG) GaAs with 1.55-μm optical local oscillator (LO). The sensitivity of the detection is almost proportional to the average power of the optical LO, which indicates that the photoresponse of the LTG-GaAs is linear process in our case. The dynamic range of the detection is more than 50 dB. About -22 dBm of 14.6 GHz emitted from a patch antenna is detected. The possibility for terahertz wave homodyne detection has been discussed. © 2011 IEEE.
- Article Type
- Conference
- Citation
- 2011 IEEE International Topical Meeting on Microwave Photonics - Jointly Held with the 2011 Asia-Pacific Microwave Photonics Conference, MWP/APMP 2011, page. 308 - 311, 2011-10
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- 송호진SONG, HO JIN
- Dept of Electrical Enginrg